Another advance in technology occurred with the Davy lamp, a portable mine-safety lamp that debuted in 1816. Developed by Sir Humphrey Davy, the lamp consisted of a wire gauze chimney that encased ...

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Sir Humphrey Davy was able to build the world’s first arc lamp in 1807. His device used a battery of 2,000 cells to create a 3 ¹⁵/₁₆-inch (100mm) arc between two charcoal sticks.